Looks like Snow Crash has come to life Holus Interactive Tabletop Holographic Display - Holus is a tabletop holographic platform that converts any digital content from a computer, tablet, or smartphone into a hologram.

The KeyMouse™ is a keyboard and a mouse. It allows users to operate the mouse without moving their hands out of typing position. No more moving your hand back and forth between the keyboard and mouse. It’s designed for efficiency, comfort, and ergonomics.

Thermoelectric Fan Powered by a Candle Better writeup than many. Looks good due to heatsink used. A Thermoelectric generator powered by a tealight. It started as an experiment of how much power I could get from one candle. But I liked the idea and it wo